random in Chinese

(statistics) Involving an outcome which is impossible to predict, but which may be represented by a probability distribution; in the ideal case, involving outcomes which are equally likely.

(informal) Being (part of) a varied, unrelated, and apparently arbitrary collection of things; diverse, heterogeneous.

(informal) Apropos of nothing; lacking context, relevance, or any connection to the previous situation; unexpected.

(figuratively, colloquial) An undefined, unknown or unimportant person; a person of no consequence. [from 20th c.]